Question:  how many hours of full sun is minimum for Cookes Purple Wisteria. I want to plant along a porch but it is shaded in morning. Valerie - Clearlake, CA   Answer:  Wisteria thrives in full sun.  That being said, I often see it planted on stout patio canopies and Arbors where it only gets sun half the day - the house or building shading it the rest of the day. Here is an example:…